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The central point of this app is to determine proximity of two devices. That's not possible today in a cross-platform way using web apps.

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PWA has access to bluetooth (BLE on all platforms) and NFC on Android

> PWA has access to bluetooth (BLE on all platforms) and NFC on Android

This (EDIT: this app) is iOS only right now. And I hate the normalisation of giving websites access to Bluetooth and NFC.

I managed to make an ESP32-controlled RC car move by sending it commands from a webapp running on my Android phone last year. I don't believe I have telekinesis magic power, so I'd rather believe that this is not in-fact iOS only.

Sorry, clarified.

You can with the Geolocation API.

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